patch 9.0.1686: undotree() only works for the current buffer
Problem: undotree() only works for the current buffer
Solution: Add an optional "buffer number" parameter to undotree(). If
omitted, use the current buffer for backwards compatibility.
closes: #4001
closes: #12292
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Co-authored-by: Devin J. Pohly <djpohly@gmail.com>
diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt
index 2d6792a..2112fbb 100644
--- a/runtime/doc/usr_41.txt
+++ b/runtime/doc/usr_41.txt
@@ -1373,7 +1373,7 @@
libcallnr() idem, returning a number
undofile() get the name of the undo file
- undotree() return the state of the undo tree
+ undotree() return the state of the undo tree for a buffer
shiftwidth() effective value of 'shiftwidth'